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Metalated nitriles: S(N)i′ cyclizations with a propargylic electrophile
A rare 5-exo-dig S(N)i′ cyclization with magnesiated and lithiated nitriles affords a cis-fused hydrindane bearing an exocyclic allene. The cyclization of the dilithiated nitrile pits a stereoelectronic preference for a trans-hydrindane against a cyclization through a less strained transition struct...
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| Udgivet i: | Tetrahedron Lett |
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| Main Authors: | , , , |
| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
2015
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4480775/ https://ncbi.nlm.nih.gov/pubmed/26120212 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.tetlet.2015.01.013 |
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